search for: scale_y_prob

Hello, I am using ggplot2 to display some distributions, I my data, there are percentages represented as 0.10, 0.13, ... I now want to do the axis show "5%", "10%", "15%", ... Is there is simple way to do this? I tried to use scale_y_prob(), but I didn't get through it. Thanks and regards, Christoph